html {
  font-size: 10px;
}

body {
  margin: 0;
  font-size: 16px;
  /* chrome禁止下拉刷新 */
  overflow: hidden;
  /* chrome禁止上划 */
  position: fixed;
  top: 0;
}

#app {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}
